How to install a Pistol Stabilizing Brace® on an AR equipped with a pistol buffer tube.
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The ABS (Arm Brace Stop) is a precision machined arm brace receiver that locates a Pistol Stabilizing Brace in most any desired location on a compatible pistol buffer tube, preventing unwanted rotation and movement when installed correctly. Manufactured by Phase 5, the ABS is made from 6061 T6 billet aluminum with a type III hard anodized satin black finish, the ABS features a built in QD sling attachment that allows the pistol to be used in conjunction with a quick detach sling system. Includes Allen wrench and hardware. Fits tubes that are 1.2″ in diameter. Not designed to be compatible with the Hex-2 buffer tubes.